Home / 2,482.68-3,418.56-2,151.12

Finding the Fourth Proportional to 2,482.68, 3,418.56 and 2,151.12

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Solution

The fourth proportional to 2,482.68, 3,418.56 and 2,151.12 is: 2,962.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,482.68 : 3,418.56 = 2,151.12 : x
  2. Step 2: Convert to fraction form
    2,482.68/3,418.56 = 2,151.12/x
  3. Step 3: Cross multiply
    2,482.68x = 3,418.56 × 2,151.12
  4. Step 4: Simplify right side
    2,482.68x = 7,353,732.79
  5. Step 5: Solve for x
    x = 7,353,732.79/2,482.68
  6. Step 6: Final answer
    x = 2,962.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.